I think the bug has been fixed in 3.3-rc4, and the commit is below: commit bced76aeaca03b45e3b4bdb868cada328e497847 Author: Peter Zijlstra <a.p.zijls...@chello.nl> Date: Wed Jan 11 13:11:12 2012 +0100
sched: Fix lockup by limiting load-balance retries on lock-break Bryce, so could you feedback the test result with -rc4? On Thu, Feb 23, 2012 at 5:11 AM, Joseph Salisbury <joseph.salisb...@canonical.com> wrote: > It would be great if you could test with 3.3-rc4-precise. This could > also test if the issue in bug 938894 is resolved upstream. > > -- > You received this bug notification because you are subscribed to linux > in Ubuntu. > https://bugs.launchpad.net/bugs/917668 > > Title: > system freeze ("hard LOCKUP"), warn_slowpath_common+0x7f in > sock_aio_read > > Status in “linux” package in Ubuntu: > Incomplete > > Bug description: > I've had sporadic freezes on this system before since upgrading to > Precise, but I haven't had the resources to try and ssh in prior to > this, so I can't tell if this has occurred before. Now that I have an > additional laptop I can hopefully catch this again if it occurs. > > I screwed up with the logs first, but then managed to salvage dmesg > with a Trace from terminal buffer. I'll attach it separately below. > > I wasn't active on the desktop when the freeze happened (had my hands > on the laptop). At least Chromium, Transmission and Google Music were > running at the time. > > (I'm not familiar with Traces so I'll just pick something from the > first line as title. Feel free to change it if needed.) > > [19199.961223] ------------[ cut here ]------------ > [19199.961223] WARNING: at /build/buildd/linux-3.2.0/kernel/watchdog.c:241 > watchdog_overflow_callback+0x9a/0xc0() > [19199.961223] Hardware name: System Product Name > [19199.961223] Watchdog detected hard LOCKUP on cpu 0 > [19199.961223] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat sit > tunnel4 bnep rfcomm binfmt_misc dm_crypt snd_hda_codec_hdmi > snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm > snd_seq_midi usbhid snd_rawmidi snd_seq_midi_event btusb bluetooth hid > snd_seq snd_timer snd_seq_device snd sp5100_tco soundcore snd_page_alloc > i2c_piix4 edac_core shpchp dm_multipath ppdev asus_atk0110 edac_mce_amd > k10temp mac_hid parport_pc lp parport usb_storage uas dm_raid45 xor dm_mirror > dm_region_hash dm_log radeon ttm drm_kms_helper drm r8169 wmi i2c_algo_bit > pata_atiixp > [19199.961223] Pid: 1387, comm: Xorg Not tainted 3.2.0-9-generic #16-Ubuntu > [19199.961223] Call Trace: > [19199.961223] <NMI> [<ffffffff810651df>] warn_slowpath_common+0x7f/0xc0 > [19199.961223] [<ffffffff810652d6>] warn_slowpath_fmt+0x46/0x50 > [19199.961223] [<ffffffff8101adf9>] ? sched_clock+0x9/0x10 > [19199.961223] [<ffffffff810d5fba>] watchdog_overflow_callback+0x9a/0xc0 > [19199.961223] [<ffffffff81110736>] __perf_event_overflow+0x96/0x1e0 > [19199.961223] [<ffffffff8110dcc1>] ? perf_event_update_userpage+0x11/0xc0 > [19199.961223] [<ffffffff81110c84>] perf_event_overflow+0x14/0x20 > [19199.961223] [<ffffffff81023fc7>] x86_pmu_handle_irq+0xd7/0x120 > [19199.961223] [<ffffffff816559c1>] perf_event_nmi_handler+0x21/0x30 > [19199.961223] [<ffffffff81655289>] default_do_nmi+0x69/0x220 > [19199.961223] [<ffffffff816554c0>] do_nmi+0x80/0x90 > [19199.961223] [<ffffffff816548b0>] nmi+0x20/0x30 > [19199.961223] [<ffffffff8103ba95>] ? __ticket_spin_lock+0x25/0x30 > [19199.961223] <<EOE>> [<ffffffff8103bb29>] > default_spin_lock_flags+0x9/0x10 > [19199.961223] [<ffffffff816540fe>] _raw_spin_lock_irqsave+0x2e/0x40 > [19199.961223] [<ffffffff81088cc0>] remove_wait_queue+0x20/0x70 > [19199.961223] [<ffffffff811890d8>] poll_freewait+0x98/0xe0 > [19199.961223] [<ffffffff81189c17>] do_select+0x557/0x600 > [19199.961223] [<ffffffff8105d99e>] ? try_to_wake_up+0x18e/0x200 > [19199.961223] [<ffffffff81189120>] ? poll_freewait+0xe0/0xe0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189210>] ? __pollwait+0xf0/0xf0 > [19199.961223] [<ffffffff81189eac>] core_sys_select+0x1ec/0x370 > [19199.961223] [<ffffffff815241ad>] ? sock_aio_read+0x2d/0x40 > [19199.961223] [<ffffffff81175c02>] ? do_sync_read+0xd2/0x110 > [19199.961223] [<ffffffff8130fc24>] ? timerqueue_del+0x34/0x90 > [19199.961223] [<ffffffff8108c6a0>] ? __remove_hrtimer+0x60/0xc0 > [19199.961223] [<ffffffff8108cc80>] ? hrtimer_try_to_cancel+0x50/0xc0 > [19199.961223] [<ffffffff8101a6f9>] ? read_tsc+0x9/0x20 > [19199.961223] [<ffffffff81092f3d>] ? ktime_get_ts+0xad/0xe0 > [19199.961223] [<ffffffff8118a280>] sys_select+0xc0/0x100 > [19199.961223] [<ffffffff8165c3c2>] system_call_fastpath+0x16/0x1b > [19199.961223] ---[ end trace 104ea42b28f227b7 ]--- > > > ProblemType: Bug > DistroRelease: Ubuntu 12.04 > Package: xserver-xorg-video-radeon 1:6.14.99~git20110811.g93fc084-0ubuntu1 > ProcVersionSignature: Ubuntu 3.2.0-9.16-generic 3.2.1 > Uname: Linux 3.2.0-9-generic x86_64 > .tmp.unity.support.test.0: > > ApportVersion: 1.90-0ubuntu2 > Architecture: amd64 > CheckboxSubmission: 09ae689090491ca53449589269e4bfd8 > CheckboxSystem: edda5d4f616ca792bf437989cb597002 > CompizPlugins: > [core,bailer,detection,composite,opengl,decor,resize,compiztoolbox,place,gnomecompat,regex,grid,mousepoll,snap,move,wall,imgpng,vpswitch,session,unitymtgrabhandles,animation,fade,workarounds,expo,scale,ezoom,unityshell] > CompositorRunning: None > Date: Tue Jan 17 16:09:07 2012 > DistUpgraded: Log time: 2011-11-20 23:52:49.660633 > DistroCodename: precise > DistroVariant: ubuntu > EcryptfsInUse: Yes > ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu > GraphicsCard: > ATI Technologies Inc RS780 [Radeon HD 3200] [1002:9610] (prog-if 00 [VGA > controller]) > Subsystem: ASUSTeK Computer Inc. Device [1043:82f1] > InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027) > MachineType: System manufacturer System Product Name > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-9-generic > root=UUID=bf0f4d7e-d08c-4aad-8143-b6e3b16049d6 ro quiet splash radeon.audio=1 > vt.handoff=7 > SourcePackage: xserver-xorg-video-ati > UpgradeStatus: Upgraded to precise on 2012-01-17 (0 days ago) > dmi.bios.date: 08/12/2010 > dmi.bios.vendor: American Megatrends Inc. > dmi.bios.version: 2101 > dmi.board.asset.tag: To Be Filled By O.E.M. > dmi.board.name: M4A78-EM > dmi.board.vendor: ASUSTeK Computer INC. > dmi.board.version: Rev X.0x > dmi.chassis.asset.tag: Asset-1234567890 > dmi.chassis.type: 3 > dmi.chassis.vendor: Chassis Manufacture > dmi.chassis.version: Chassis Version > dmi.modalias: > dmi:bvnAmericanMegatrendsInc.:bvr2101:bd08/12/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A78-EM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: > dmi.product.name: System Product Name > dmi.product.version: System Version > dmi.sys.vendor: System manufacturer > version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu8 > version.ia32-libs: ia32-libs 20090808ubuntu33 > version.libdrm2: libdrm2 2.4.30-1ubuntu1 > version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu4 > version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A > version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu4 > version.xserver-xorg-core: xserver-xorg-core 2:1.10.4-1ubuntu6 > version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13 > version.xserver-xorg-video-ati: xserver-xorg-video-ati > 1:6.14.99~git20110811.g93fc084-0ubuntu1 > version.xserver-xorg-video-intel: xserver-xorg-video-intel > 2:2.15.901-1ubuntu4 > version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau > 1:0.0.16+git20111201+b5534a1-1 > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/917668/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/917668 Title: system freeze ("hard LOCKUP"), warn_slowpath_common+0x7f in sock_aio_read To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/917668/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs